Pollution Climate Change Holocene Deforestation Population Acidification Y Not Freakin' Recyclable
Jeffrey David Sachs (/sæks/; Born November 5, 1954) is an American economist, academic, public policy analyst and former director of The Earth Institute at Columbia University, where he holds the title of University Professor. He is known as an expert on sustainable development, economic development, and the fight against poverty. …
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